문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

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Q

TPU Barrel Temperature Zoning

A

TPU temperature gradient is gentle and back pressure should be low; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Processing Machinery TPUbarrel temperaturegradientback pressure

Q

TPU Temperature Lower Limit

A

The TPU temperature lower limit ensures plasticization according to hardness; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the f...

Processing Machinery TPUtemperature lower limitplasticizationhardness

Q

TPU Melt Temperature Range

A

TPU melt upper limit is 220°C, overheating causes degradation; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Processing Machinery TPUmelt temperaturedegradationyellowing

Q

TPU Back Pressure and Screw Speed

A

TPU plasticization management is temperature-primary, with back pressure and speed as auxiliary; shear heat is the invisible driver of discoloration and degradation; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU; back pressure; screw speed; shear heat; plasticization

Q

TPU screw design low shear

A

The TPU screw is a low-shear special part; a 1:2-1:3 compression ratio plus a check valve protects the material from the hardware; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；screw；low compression ratio；1:2-1:3；check valve

Q

TPU melt temperature 180-220℃

A

The temperature window of TPU is wider than PVC but equally sensitive; fine grading by hardness within the 180-220℃ range; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；melt temperature；180-220℃；depolymerization；hardness

Q

TPU product storage deformation

A

Elastomer storage must prevent pressure and heat; inventory management affects shipping quality; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar pro...

Processing Machinery TPU；storage；deformation；creep；stacking；temperature

Q

TPU product shutdown handling

A

Shutdown management prevents degradation; cleaning and lowering heat preservation are standard operations; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for s...

Processing Machinery TPU；shutdown；black speck；degradation；cleaning；heat preservation

Q

TPU product processing temperature window

A

Narrow-window materials have high requirements for equipment consistency; unifying the actual measurement benchmark is the key; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；temperature window；machine；consistency；calibration；process card

Q

TPU product UV aging

A

UV aging selection is prioritized; aliphatic TPU is the choice for outdoor transparent applications; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery TPU；UV aging；yellowing；aliphatic；aromatic；stabilizer

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